    body {
        width: 100%;
        height: 100%;
        background-image: url(../img/bg.jpg);
        background-repeat: no-repeat;
        background-size: cover;
    }
    
    .content {
        width: 1000px;
        /* 没设高度,自适应高度 */
        /* border: 1px solid black; */
        margin: 50px auto;
        text-align: center;
    }
    
    .logo {
        display: block;
        width: 423px;
        height: 56px;
        margin: 0 auto;
    }
    
    .biaodan {
        width: 423px;
        margin: 50px auto 10px;
    }
    
    .biao1 .biao2 {
        width: 100%;
        height: 58px;
    }
    
    .biaodan input {
        display: inline-block;
        background-color: transparent;
        /* opacity: 0.1; */
        box-sizing: border-box;
        padding: 0 20px;
        width: 100%;
        height: 58px;
        font-size: 14px;
        line-height: 58px;
        color: white;
        border: 1px solid #fff;
    }
    
    input::-webkit-input-placeholder {
        color: #fff;
    }
    
    .biao2>input {
        margin-top: 20px;
    }
    
    .DL {
        display: inline-block;
        box-sizing: border-box;
        border: 0px solid;
        width: 100%;
        height: 58px;
        font-size: 16px;
        line-height: 58px;
        color: #fff;
        background-color: #e31d3b;
        opacity: 0.8;
        cursor: pointer;
        margin-top: 25px;
    }
    
    .link {
        display: inline-block;
        width: 423px;
        height: 16px;
        margin-top: 10px;
        /* border: 1px solid black; */
    }
    
    .link>.select {
        float: left;
        width: 141px;
        height: 16px;
        /* background-color: blue; */
        font-size: 14px;
        line-height: 16px;
        color: #000;
        font-weight: 400;
        cursor: pointer;
    }
    
    .box1_logo {
        display: none;
        float: left;
        width: 16px;
        height: 16px;
        /* background-color: purple; */
        background-image: url(http://publishing.cn.amgbs.com/amtj-new/www/v2.0/images/page/login/check.png);
        background-repeat: no-repeat;
    }
    
    .box1_content {
        float: left;
    }
    
    .link a {
        font-size: 14px;
        line-height: 16px;
        color: #000;
    }
    
    .box3_content {
        float: right;
    }
    /* 登录 */
    
    .login {
        width: 423px;
        /* background-color: royalblue; */
        /* border: 1px solid black; */
        margin: 50px auto 50px;
    }
    
    .denglu button {
        width: 50%;
        float: left;
        height: 42px;
        font-size: 12px;
        font-weight: 600;
        line-height: 42px;
        color: #fff;
        text-align: center;
        cursor: pointer;
        border: 0 solid;
    }
    
    #qq>button {
        background: #91C2E2;
    }
    
    #vx>button {
        background: #4C708A;
    }
    
    .registered {
        width: 423px;
        height: 58px;
        border: 1px solid red;
        margin: 150px auto 0px;
    }
    
    .registered>a {
        display: inline-block;
        box-sizing: border-box;
        width: 100%;
        height: 58px;
        font-size: 16px;
        line-height: 58px;
        color: #fff;
        /* background-color: #e31d3b; */
        cursor: pointer;
    }